Kensington Palace announces school Prince George will attend in the fall

One day after Duchess Kate opened up about the insecurities that come with motherhood, big news about one of her little ones was announced. Kensington Palace confirmed Friday that Prince George, 3, will attend Thomas's Battersea School in London, starting in September.

The Duke and Duchess of Cambridge have announced that Prince George will attend Thomas's Battersea School in London from September 2017.

The news may come as a surprise to some, as many were expecting the toddler to attend Prince William's alma mater, Wetherby School. Look at tiny William on his first day:

Credit: PA

Before the palace revealed the big news, parents of Thomas's Battersea School students received a letter from headmaster Ben Thomas, saying:

"Like so many parents, the Duke and Duchess have put a great deal of thought into the choice of their eldest child's first 'big school'. We are honoured that the aims and values of Thomas's reflect those that Their Royal Highnesses would like for Prince George's education. We are deeply conscious of the trust that they, like all Thomas's parents, are placing in us and we hope very much to live up to their expectations."

According to The Telegraph, the reputable school's first rule is to "be kind" -- and students are not encouraged to pick a best friend as to avoid hurt feelings. As for the financials, each term reportedly costs £4,500 per term (or well over $5,000).

Good luck, George! We can't wait to see the little prince's first day of "big school" photos.

For now, scroll through for the absolute best snaps of little Prince George:

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The best photos of Prince George

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The best photos of Prince George

What's Christmas Day without a candy cane?!

December 2016

(PA Wire/PA Images)

Look.at.that.smile.

Fall 2016

(PA Wire/PA Images)

No caption necessary.

Fall 2016

(PA Wire/PA Images)

Father and son bonding time!

Fall 2016

(PA Wire/PA Images)

An adorable handout photo released by the Duke and Duchess of Cambridge of Prince George, who celebrates his third birthday today July 22nd, standing on a swing.

July 2016

Prince George celebrates his birthday with a sweet treat -- and the family pet, Lupo!

July 2016

The birthday boy sits on the swing bearing his mother and father's names.

July 2016

He's growing up so fast!! George is adorable in stripes and khaki shorts.

July 2016

Prince George's first official engagement! That's a total face of "I've got this."

July 2016

Someone's excited!

July 2016

Favorite. The young royal had so much fun exploring the planes with mom and dad!

Charlotte makes her balcony debut at the Queen's 90th birthday Trooping the Colour, but George stole the show with his excitement over the planes!

June 2016

When the sun is blinding but you're still like "LOOK MOM!"

June 2016

We love this one -- he just looks so happy!

June 2016

Best. Moment. Ever.

June 2016

George can't believe how cool this day is. (And someday this parade will be for him!)

June 2016

Such a bright sun, but he has to see those planes!

June 2016

Kate chats with little George as he gets ready for bedtime (after a fun ride on his rocking horse, of course!)

April 2016

George shows the Obamas just how much he loves the gift they gave him -- looking mighty cute as he does.

April 2016

This might be one of the best photos um ... ever. Prince George meets President Obama in his adorable gingham jammies and a matching robe with his name on it? Does it get any cuter?!

April 2016

Kate holds little Charlotte while George snuggles in between his parents during a family vacation skiing in the French Alps.

March 2016

George looks like he's found a new favorite hobby!

March 2016

Prince George heads to his first day of school, taken by the Duchess of Cambridge. George is attending the Westacre Montessori nursery school near Sandringham in Norfolk.

January 2016

The little Prince seemed quite enthralled with the mural near his school!

January 2016

Kate and William with their two children, Prince George and Princess Charlotte, in a photograph taken at Kensington Palace in London.

October 2015

Prince George, who celebrated his second birthday on July 22, 2015 hams it up for the camera in his dad's arms!

July 2015

George plays with his hair in this first photo released of the Cambridges as a family of four, on the day they celebrated little Princess Charlotte's christening.

July 2015

George was adorably a bit fussy after his sister's christening -- he was looking for the rest of the family to make sure they were coming too!

July 2015

George stares that camera down.

July 2015

Spotted: Cameras, crowds ... "who are these people?"

July 2015

Still looking for his family! Kate and William soothe the little royal, promising they'll be along soon.

July 2015

"You okay, Char?" George checks on his little sister in her pram.

July 2015

Kate and George watched William play in a polo match, playing their own games on the sidelines!

June 2015

George makes a hilarious/adorable face at his dad after the match.

June 2015

Whoa there! Kate stops a tumble for her two-year-old while playing on the hill.

June 2015

Prince George plays with his cousin Isla Phillips.

June 2015

George makes his balcony debut! The little prince worked on his royal wave as he joined his family to celebrate Trooping the Colour.

June 2015

Music, a parade and a multi-plane flyover for your great-grandmother's birthday? Pretty cool day for George.

June 2015

Still a bit of confusion for this little one as he peers at the massive crowd below.

June 2015

So sassy! George watched his parents in the parade before heading out onto the balcony, making the funniest face when he saw them.

June 2015

He's learning fast! George waves goodbye to his adoring public.

June 2015

How could you not love him?!

June 2015

The first set of photos released of little Princess Charlotte were in her big brother's arms -- and taken by mom, Kate.

June 2015

George gives his baby sister a kiss. Too cute!

June 2015

On the day Princess Charlotte was born, William ran home to give the good news to George, then brought him to meet his new sister.

May 2015

William gives George a kiss before they head inside for the big moment!

May 2015

Christmas photographs of Prince George sitting on the Kensington Palace steps, released by his proud parents William and Kate.

November 2014

Christmas photographs of Prince George sitting on the Kensington Palace steps, released by his proud parents William and Kate.

November 2014

Christmas photographs of Prince George sitting on the Kensington Palace steps, released by his proud parents William and Kate.

November 2014

Prince George was up on his feet watching William play polo on Father's Day.

June 2014

Kate holds wiggly George at the polo match.

June 2014

"Okay bye mom!"

June 2014

"Um Mom, who is this lady?"

April 2014

The always fashionable George was decked out in red for the last day of the royal tour.

April 2014

"Wait! I think I dropped my toy - no seriously, I can see it from here!"

April 2014

This cutie touches down in Australia's capital.

April 2014

William, Kate and George visited the Taronga Zoo in Sydney and George got to meet a bilby! He was really excited about it.

April 2014

Just a dad and his boy!

April 2014

Testing out his Princely roar.

April 2014

Just look at those chubby little cheeks!

April 2014

We couldn't help but laugh out loud at George's mean mug right here.

April 2014

Playing with his toy bilby.

April 2014

"Okay mom. It's really bright out here... AND I'm wearing ruffles. Can we talk about this?"

April 2014

"What's up, Australia?"

April 2014

Ah, the Princely handshake.

April 2014

We're obsessed with William and George's matching fly-away hair as they left New Zealand.

April 2014

Looks like it's nap o'clock!

April 2014

"Here, mom, let me help you."

April 2014

Too cute for words.

April 2014

This photo is Kate's favorite from their royal tour, where baby George had just woken up from his nap and was so happy to hug his mom.

April 2014

Little George during his New Zealand playdate!

April 2014

Baby George arrives in New Zealand.

April 2014

This photo might just be our favorite -- Georgie looks like he's trying to dive out of Kate's arms! Good thing she has a solid grip.

April 2014

Such a cutie!

April 2014

The palace released this official photo just a week before the family takes off for Australia and New Zealand. Oh how he's grown! Cutie George gazes at his pup, Lupo (in a dashing sweater with his name on it).

March 2014

Kate and William proudly presented George on his christening day.

October 2013

Quite the outfit, Georgie!

October 2013

William and George.

October 2013

William and George.

October 2013

Kate, in Alexander McQueen, and George in the royal christening dress.